/Engine/Source/Editor/MovieSceneTools/Public/TrackEditorThumbnail/TrackEditorThumbnail.h
void Update ( const [TRange](API\Runtime\Core\Math\TRange)< double > & NewRange, const [TRange](API\Runtime\Core\Math\TRange)< double > & VisibleRange, const FIntPoint & AllottedSize, const FIntPoint & InDesiredSize, EThumbnailQuality InQuality, double InCurrentTime )